ProjectsFactory: fix that the host config defaults were not merged into the project configuration
add cms-* semantic locations to directoryLocations
Project: add getNamespace() to Project Interface
refactor bridge to use the Webforge\Configuration\Configuration instead of the removed Psc\CMS\Configuration
add cms-images and cms-uploads for Upload/Image Managers to semantic locations
Construct URLs in ProjectsFactory for the ProjectPackage. fixes #2